Shadowing Practice: Cambridge 19 listening test 3 section 3 - Learn English Speaking with Video
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82 משפטים
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1
Hi Jake, how are you getting on with the practical teaching?
2
It's harder than I expected, but I've got some great classes.
3
How about you?
4
Not brilliant.
5
I'm really struggling with my Year 12 science class.
6
Are they hard to control?
7
Well, I don't have discipline problems as such.
8
It's just that they don't seem to think that science has anything to do with their lives.
9
It's depressing.
10
They listen to what I say and I gave them a test last week and the results weren't too bad.
11
But there's no real engagement.
12
Right.
13
And as part of my teaching practice, I have to design an experiment for them to do.
14
I was wondering about something on the children's diets, you know, asking them to record what they eat and maybe linking it to their state of health.
15
Hmm, let's think.
16
So your methodology would involve the children recording what they eat, OK, but you'd also need to have access to the children's medical records,
17
and I don't think people would be happy about that.
18
Confidentiality would be an issue.
19
If you could get the right data, the conclusions might be significant, but I suspect it's not going to be easy.
20
Right.
21
Have you thought about doing an experiment using animals?
22
Wouldn't that be upsetting for the children?
23
Well, the animals don't have to be harmed in any way.
24
It could just be an experiment where they're given a certain diet and the effects are observed.
25
Would I have to get permission to use animals?
26
Yes, you'd have to submit an outline of the experiment and fill in a form, but it's quite straightforward.
27
But if we found out that, say, a particular diet affects the health of animals, the same thing wouldn't necessarily be true for people, would it?
28
No, that's true.
29
But the findings for any experiment are going to be limited.
30
It's inevitable.
31
I suppose so.
32
So what animals could I use to investigate the effects of diet?
33
Mice?
34
Yes, you'd need experimental mice, ones that have been specially bred for experiments.
35
OK, so what will your experiment be investigating exactly?
36
Well, something to do with nutrition.
37
So maybe we could look at food supplements, things like extra iron and extra protein, and their impact on health.
38
That might be rather broad.
39
Maybe just look at the effects of one supplement, like sugar, on the health of the mice?
40
In fact, maybe the focus could be on whether mice can control their own diet.
41
So what happens when they have access to more sugar that they don't really need?
42
Exactly.
43
Do they eat it or do they decide to leave it?
44
Great.
45
Then later on you could do a follow-up experiment adding another variable, like you could give some of the mice the chance to be more active,
46
running on a wheel or something, and the others just sit around and don't do much.
47
Or I could repeat the experiment but change the type of food I provided, or use mice with a different genetic structure.
48
But I think your idea would be more interesting.
49
I might think about that some more.
50
So, can I talk through a possible procedure for the experiment where mice are given a sugar supplement?
51
Sure.
52
I did a similar experiment in college, actually.
53
Great.
54
So, how many mice would I need?
55
I'd say about 12, and all young ones, not a mixture of old and young.
56
Okay.
57
And I'd need two groups of equal sizes, so six in each group.
58
And how would I tell
59
I suppose I could put some sort of tag on one group or just mark them in some way.
60
You could use food colouring.
61
That wouldn't hurt them.
62
Perfect.
63
Then each group would go into a separate cage and one group, let's call them group A, would be the control group.
64
So they'd just have ordinary mouse food.
65
I suppose you can buy that?
66
Yes, it comes in dry pellets.
67
And the other group would have the same as the first group, but they'd also have the extra sugar.
68
Would you just give them straight sugar?
69
It might be better to give them something like cereal with it.
70
Then you'd need to weigh the mice, I should think, once a week.
71
And you'd need an electronic balance.
72
But we can't hold them on the balance, or it'd affect the reading.
73
Exactly.
74
So you need something called a weighing chamber to stop the mice from running away.
75
It sounds complicated, but actually you can just use a plastic box with holes in the top.
76
OK.
77
So once we've measured the weight gain of each mouse, we can work out the average for each group, as well as the standard deviation,
78
and then see where we go from there.
79
That sounds cool.
80
I think the students will enjoy it.
81
Yes.
82
One thing you must remember...
הורד אפליקציה
כל מה שאתה צריך כדי לדבר בשטף
הגיית AIציון לכל משפט
תרגול IPAשלוט בכל צליל
אוצר מיליםבנה את מאגר המילים שלך
משחק אוצר מיליםלמד תוך כדי משחק
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Vocabulary and speaking notes for this lesson
This video has 82 sentences and 816 words to shadow. The speech runs for 5:10. The speaker talks at a natural 158 words per minute, close to everyday conversation. 85% of the words are among the 3,000 most common in English; the rest is worth studying before you start.
Key vocabulary in this video
15 words from the video worth learning, with pronunciation and meaning:
| Word | Pronunciation | Meaning |
|---|---|---|
| mouse noun | /maʊs/ | Any mammal of the many rodent families (especially Muridae) that have a small body and a long tail. |
| experiment noun | /ɪkˈspɛɹ.ə.mənt/ | A test under controlled conditions made to either demonstrate a known truth, examine the validity of a hypothesis, or determine the efficacy or likelihood of… |
| supplement noun | /ˈsʌp.lɪ.mənt/ | Something added; especially, such an addition added to make up for a deficiency. |
| investigate verb | /ɪnˈvɛs.tə.ɡeɪt/ | To inquire into or study in order to ascertain facts or information. |
| weigh verb | /weɪ/ | To determine the weight of an object. |
| necessarily adverb | /ˌnɛs.əˈsɛɹ.ə.li/ | Inevitably; of necessity. |
| practical adjective | /ˈpɹæk.tɪ.kəl/ | Relating to, or based on, practice or action rather than theory or hypothesis. |
| chamber noun | /ˈt͡ʃeɪ̯mbɚ/ | The private room of an individual, especially of someone wealthy or noble. |
| complicated adjective | /ˈkɑm.plɪˌkeɪ.tɪd/ | Difficult or convoluted. |
| harm noun | /hɑːm/ | Physical injury; hurt; damage. |
| procedure noun | /pɹəˈsiː.d͡ʒə/ | A particular method for performing a task. |
| ordinary adjective | /ˈɔɹdɪnɛɹi/ | Having regular jurisdiction; now only used in certain phrases. |
| conclusion noun | /kənˈkluːʒən/ | The end, finish, close or last part of something. |
| genetic adjective | /d͡ʒəˈnɛt.ɪk/ | Relating to genetics or genes. |
| engagement noun | /ɪnˈɡeɪd͡ʒ.mənt/ | An appointment, especially to speak or perform. |
Phrasal verbs you will hear
| Word | Pronunciation | Meaning |
|---|---|---|
| find out verb | To discover, as by asking or investigating. | |
| follow up verb | To take further actions remaining after an event; to continue, revisit, or persist; especially, to maintain communication or verify. | |
| get on with verb | To proceed with; to begin or continue, especially after an interruption. | |
| run away verb | To flee by running. | |
| sit around verb | To spend time sitting idly, not doing anything important. | |
| talk through verb | To tell (someone) step by step how to do something. | |
| work out verb | /ˌwɝk ˈaʊt/ | To calculate. |
דקדוק בסרטון הזה
המבנים שהדובר משתמש בהם הכי הרבה, עם המילים המדויקות מהסרטון:
| מבנה | בסרטון |
|---|---|
| הווה מושלם (Present perfect) have/has + past participle — פעולה שקרתה בעבר ועדיין יש לה חשיבות או השפעה עכשיו | Have you thought · have been · we've measured |
| סביל (Passive voice) be + past participle — הדגש הוא על מה שקורה, לא על מי שעושה את הפעולה | be harmed · are observed · are given |
Pronunciation to watch
The speaker uses 25 contractions and reduced forms, such as don't, you'd, wouldn't. Say them the short way, as you hear them.
- The “sh” and “zh” sounds: conclusion /kənˈkluːʒən/, nutrition /njuːˈtɹɪʃ.ən/, specially /ˈspɛʃəli/, deviation /ˌdiː.viˈeɪʃən/
- Long words — get the stress right: experiment /ɪkˈspɛɹ.ə.mənt/, investigate /ɪnˈvɛs.tə.ɡeɪt/, necessarily /ˌnɛs.əˈsɛɹ.ə.li/, complicated /ˈkɑm.plɪˌkeɪ.tɪd/, ordinary /ˈɔɹdɪnɛɹi/
How to practise with this video
- Listen to the whole video once without speaking and note the words you do not know.
- Start at 0.75× speed, shadow it sentence by sentence, then go back to normal speed once it feels easy.
- Record yourself and compare with the original, paying attention to words like mouse, experiment, supplement.
מהי טכניקת השאדואינג?
שאדואינג היא טכניקת למידת שפה מבוססת מדע שפותחה במקור להכשרת מתורגמנים מקצועיים ופופולרית על ידי הפוליגלוט ד"ר אלכסנדר ארגואלס. השיטה פשוטה אך עוצמתית: אתה מקשיב לאודיו באנגלית ילידית וחוזר עליו בקול רם מיד — כמו צל העוקב אחרי הדובר עם עיכוב של 1–2 שניות בלבד. בניגוד להאזנה פסיבית או תרגילי דקדוק, שאדואינג מכריח את המוח והשרירים בפה לעבד ולשחזר דפוסי דיבור אמיתיים בו זמנית. מחקרים מראים שזה משפר משמעותית את דיוק ההגייה, האינטונציה, הקצב, הדיבור המחובר, הבנת השמיעה ושטף הדיבור — מה שהופך אותו לאחת השיטות היעילות ביותר להכנה לIELTS Speaking ולתקשורת באנגלית בעולם האמיתי.